Materials to the knowledge of Polish sawflies. The genus Dolerus Panzer, 1801 (Hymenoptera, Symphyta, Tenthredinidae, Selandriinae). Part IV – Dolerus ferrugatus Serville, 1823
ABSTRACT The paper presents historical and new faunistic data concerning the occurrence of Dolerus ferrugatus Serville, 1823 in Poland, supplemented ...
